Quarter	US Dollars, sum over component sub-periods
1995-01-01	-29888342.329918500
1995-04-01	51970462.176829800
1995-07-01	23362750.972638600
1995-10-01	-78533633.213762000
1996-01-01	-30810426.183281500
1996-04-01	-357526.133069524
1996-07-01	-65935820.353811700
1996-10-01	-64611607.722939890
1997-01-01	-30514619.570381504
1997-04-01	-16680033.913845800
1997-07-01	-63918552.330401294
1997-10-01	-189744791.307690000
1998-01-01	-75343189.569292600
1998-04-01	-32200506.037063600
1998-07-01	-223857184.595680980
1998-10-01	-217166212.165889000
1999-01-01	-201491864.738959000
1999-04-01	-160000830.586045980
1999-07-01	-299217049.879753000
1999-10-01	-145688873.884332980
2000-01-01	-256643882.464106020
2000-04-01	-542514306.498273000
2000-07-01	-179025896.952390020
2000-10-01	-117306441.273264000
2001-01-01	-151654822.610060000
2001-04-01	187935368.459443000
2001-07-01	-153957052.263157000
2001-10-01	-11275321.504082501
2002-01-01	-148047678.645945000
2002-04-01	-60132939.655647695
2002-07-01	175727239.454662000
2002-10-01	72116780.009791600
2003-01-01	55016771.813757700
2003-04-01	-179856685.335354000
2003-07-01	-40262667.292772400
2003-10-01	60212292.372458200
2004-01-01	53344700.583004700
2004-04-01	-693702889.825317000
2004-07-01	129456955.828851980
2004-10-01	-1204747821.459689900
2005-01-01	-1847087236.036080000
2005-04-01	130342329.167101010
2005-07-01	-145509506.797007980
2005-10-01	-475499472.186125000
2006-01-01	-3408039070.629940000
2006-04-01	-3153844367.186230000
2006-07-01	427194615.209225000
2006-10-01	259697299.517146970
2007-01-01	695248852.093714000
2007-04-01	-967880709.629872000
2007-07-01	-2745584927.509710000
2007-10-01	-1171788653.906700000
2008-01-01	-6178409352.911680000
2008-04-01	-2347271057.633030000
2008-07-01	-2248778447.479760000
2008-10-01	-3007505667.587680000
2009-01-01	-73290888.164051900
2009-04-01	-593039505.997908000
2009-07-01	2453251270.755200000
2009-10-01	3335148082.955070000
2010-01-01	-688891465.629338000
2010-04-01	1275509915.614800000
2010-07-01	614338856.864147100
2010-10-01	-1877877190.323410000
2011-01-01	611809589.548059900
2011-04-01	966875140.948499900
2011-07-01	-604695564.414483000
2011-10-01	-238395547.220038000
2012-01-01	-610418900.654671000
2012-04-01	-496738577.354043000
2012-07-01	593942258.801278000
2012-10-01	-198993111.981508020
2013-01-01	541776694.583181000
2013-04-01	210108451.661284980
2013-07-01	473039831.035946000
2013-10-01	-42626153.933380500
2014-01-01	-298083897.498911000
2014-04-01	359903428.390565040
2014-07-01	-35150047.672056094
2014-10-01	567544585.138129000
2015-01-01	-141650376.093342000
2015-04-01	450787266.185107000
2015-07-01	411536688.486189000
2015-10-01	175899249.339299000
2016-01-01	-189947693.883529000
2016-04-01	657103948.266376000
2016-07-01	560045160.110667000
2016-10-01	892975060.803033000
2017-01-01	-67749395.135470200
2017-04-01	63245473.555889700
2017-07-01	716811034.395868000
2017-10-01	59740003.778527800
2018-01-01	566838841.246846000
2018-04-01	144113400.690579980